Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4RYJ callsign genealogy
Currently held by Atlantic High School Amateur Radio Club
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KI4RYJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KI4RYJ.
- K4PBCactivePalm Beach County ARESFLgranted 2016-11-15